A cascode single-ended to differential converter has particular applications for use in communication, e.g. RF circuits. The converter provides higher gain, reduced noise figure and improved output level and linearity over the prior art differential pair converter. The present converter is a transconductor,...http://www.google.com.au/patents/US5929710?utm_source=gb-gplus-sharePatent US5929710 - Cascode single-ended to differential converter
